Question

what is an arithmetic sequence?
they asked me is this is one. 7,21,30,45

from what I see, there isn't any constant variation. but i do notice they all divide by 3... but is that arithmetic sequence?

Answer 1

O.o I don't see any... I must be blind

Answer 2

Yay :D that means there's none. cause it says determine whether it is or not. so it isn't. yay

Answer 3

:P

Answer 4

There isn't then XD

Answer 5

An arithmetic sequence is where you add, subtract, divide, or multiply by a constant to get the next number

Answer 6

So like 2,4,6,8 or 3,6,12,24

Answer 7

Derp?